If you drop a rock from a great height, about how fast will it be falling after 5 seconds, neglecting air resistance?.

Answers

Answer 1

Answer:

v = 49.05 m/s^2

Explanation:

Let's use the uniform acceleration equation to find our final velocity.

[tex]v = u + at[/tex]

v = final velocity

u = initial velocity

a = gravitational acceleration

t = time taken

Assuming the rock is at rest initially, u becomes zero.

[tex]v = 0 + 9.81(5)[/tex]

[tex]v = 49.05 m/s^2[/tex]


Related Questions

Guys in this question north-west it means a negative dierection?
Azad, of mass 21 kg, is riding a 5.9 kg bike with a velocity of 4.5 m/s to the north- west. a. What is the total momentum of Azad and the bike together? b. What is the momentum of Azad? c. What is the momentum of the bike?​

Answers

Answer:

a.) Total Momentum = 121 Kg•m/s

b.) Momentum of Azad = 94.5 Kg•m/s

c.) Momentum of Bike = 26.5 Kg•m/s

Explanation:

Given;Mass of Azad = 21 KgMass of bike = 5.9 KgVelocity = 4.5 m/sTo Find;The total momentum of Azad and the bike together = ?The momentum of Azad = ?The momentum of the bike = ?Formula;The product of mass and velocity is called momentum.P = mv

Now,

For Azad;

Mass of Azad = 21 Kg

Velocity = 4.5 m/s

P = 21 Kg × 4.5 m/s

P = 94.5 Kg•m/s

For Bike;

Mass of bike = 5.9 Kg

Velocity = 4.5 m/s

P = 5.9 Kg × 4.5 m/s

P = 26.5 Kg•m/s

For Total Momentum;

Total Momentum = Momentum of Azad + Momentum of Bike

Total Momentum = 94.5 + 26.5 = 121 Kg•m/s

-TheUnknownScientist 72

Explain the difference between the point of origin and the point of convergence. Which is shown in the image below?

Answers

The point of origin is the three dimensional location while the point of convergence is the area containing intersections.

Blood pattern analysis

Blood pattern analysis is usually used by the forensic specialists to determine the facts surrounding an investigation using physical nature of blood stains.

There are different types of blood analysis but the one that was displayed in the picture is the impact spatter patterns which contains a point of origin and point of convergence.

The point of origin is the three-dimensional location from which blood spatter originated while the point of convergence is the area containing the intersections generated by lines drawn through the long axes of individual stains that indicates in two dimensions the location of the blood source.

Learn more about blood here:

https://brainly.com/question/25149738

Runner A takes 45 s to run 400 m. Runner B takes 48 s to run the same distance. Which runner has the greater average speed?​

Answers

runner A because they completed it in a less amount of time

What is the interval for time

Answers

the amount of time between two given points in time; ex would be 3:00pm to 5:00pm is two hours
Amount of time between two given points in time

A car weighing 10000 Newton on one foot of Area 200 meter^2 . How much Pressure is exerted on the Ground ?​

Answers

Question :-

A car weighing 10000 Newton on one foot of Area 200 meter² . How much Pressure is exerted on the Ground ?

Answer :-

Pressure exerted on the ground is 50 Pascals .

[tex] \rule {180pt} {2pt} [/tex]

Given :-

Force = 10000 NArea = 200 m²

To Find :-

Pressure = ?

Solution :-

As per the provided information in the given question, we have been given that Force is 10000 Newton , Area is given 200 meter² . And, we have been asked to calculate the Pressure exerted on the Ground .

For calculating the Pressure , we will use the Formula :-

Pressure = Force / Area

Therefore , by Substituting the given values in the above Formula :-

⇒ Pressure = Force / Area

⇒ Pressure = 10000 / 200

⇒ Pressure = 50

Hence :-

Pressure = 50 Pascals .

[tex] \underline {\rule {180pt} {4pt}} [/tex]

Answer:

50 Pa

Explanation:

Here,

→Force(F)=10000N

→Area(A)=200m²

As we have,

→Pressure=Force/Area

→Pressure=10000N/200m²

→Pressure=50 Pa

pls help if u do it 100 points

Answers

Answer:

hhuuufuhrhuuuryheu7uhhehfu

What happens to the energy of a car when it hits a wall

Answers

it would deform, transferring some of its kinetic energy into the concrete molecules. Depending on the relative mass and anchorage of the wall, this may cause it to shift.

Good morning! Can someone please answer this, ill give you brainliest and you will earn 50 points.

Answers

Constructive force:-process where crust is formed Destructive force:- process where the crust is destroyed weathering:-Movement of broken down rock material.Erosion:-Break down of rock materialsTechtonic uplift :-Upward movement of crust

Constructive force ➡️ Process where crust is formed

Destructive force ➡️ Process where crust is destroyed

Weathering ➡️ Break down of rock materials

Erosion ➡️ Movement of broken down rock material

Tectonic uplift ➡️ Upward movement of crust

If the application of 10 Newton force the displacement of a body is 50 meter then calculate work done​

Answers

Question :-

Calculate the Amount of Work done, when a Force of 10 N displaces a body through 50 meter, in its own direction .

Answer :-

Work done is 500 Joule .

[tex] \rule {180pt} {2pt} [/tex]

Given :-

Force = 10 NewtonDisplacement = 50 meter

To Find :-

Work = ?

Solution :-

As per the provided information in the given question, we have been given that Force is 10 Newton and Displacement is given 50 meter . And, we have been asked to calculate the Work done .

For calculating the Work , we will use the Formula :-

Work = Force × Displacement

Therefore , by Substituting the given values in the above Formula :-

⇒ Work = Force × Displacement

⇒ Work = 10 × 50

⇒ Work = 500

Hence :-

Work = 500 Joule .

[tex] \underline {\rule {180pt} {4pt}} [/tex]

The Moon is much smaller than Earth but is still made of rock that you could walk on. However, you would need a spacesuit to do this. Why

Answers

Because there is no oxygen in space and we need oxygen to function so we need the suit to incapsulate us in oxygen so we can respire and so can our skin

good morning! can someone please answer this, ill give you brainliest and your earning 50 points.

Answers

The uses of fossil fuel causes:

All of the above

Fossil fuels burn and increases in global temperature because it emits greenhouse gases. And the extreme climate change decreases biodiversity and last but not the least it increases pollution because burning of fuels emit gases like Carbon-dioxide etc...~

Answer:

All of the above

Explanation:

Fossil fuels burn causes combustion .

And we know combustion of hydrocarbons releases carbon dioxide .

Carbon dioxide is a very harmful gas and a main reason for air pollutionIt also responsible for global warming

describe how an earth wire acts as a safety feature​

Answers

Answer :

The earth wire is a safety device that is attached to the appliance's casing. If the live wire falls loose and hits the casing, the earth wire offers a conduit for the electrical current to pass. The high current flowing through the ground line melts the fuse, turning off the device. If there is no earth wire, we will be the least resistance path for the current to ground in the event of a fault (shock), as there is no other way for the fault current to dissipate. In the event that there is an earth wire. Because the earth line is the least resistance path to the ground, we will be unaffected.

Explanation :

Have a great day! <3

Binaural fusion is the process in which the brain processes information from each ear and creates two different perceptions of the location of sound. Please select the best answer from the choices provided T F.

Answers

The statement is true. Binaural fusion is the process in which the brain processes information from each ear and creates two different perceptions of the location of the sound.

What is Binaural fusion?

Binaural fusion, also known as binaural integration, is a cognitive process in which different auditory information is delivered binaurally, or to each ear separately.

This mechanism is critical in human speech comprehension because one ear may take up more information about speech stimuli than the other.

Yes, the brain processes the information from both ears, but it only uses the tiny difference among them to produce one sense of where a sound is coming from.

Hence the statement is true.

To learn more about binaural fusion refer to the link;

https://brainly.com/question/11395223

Answer:

The answer is false
I used the bottom answer and it was wrong
You're welcome

Explanation:

HELP !Description for runners knee

Answers

Runner's knee is dull pain around the front of the knee. It may be caused by a structural defect, or a certain way of walking or running. Symptoms include pain, and rubbing, grinding, or clicking sound of the kneecap.

Answer:

Runner's knee is dull pain around the front of the knees.Runner's knee – also known as patellofemoral pain syndrome – is an overuse injury that affects as many as 30% of female runners and 25% of male runners.

What are ngc 2444 and ngc 2445, which nasa says are engaged in a "cosmic tug-of-war" with one apparently affecting the conditions of the other?.

Answers

The "cosmic tug-of-war" between NGC 2444 and NGC 2445 has result in the creation of new stars based on NASA's report.

What is a "cosmic tug-of-war"?

A "cosmic tug-of-war" can be defined as a terminology that is used in astronomy to express the ratio of astronomical (planetary) and solar attractions on a natural satellite in space.

According to the National Aeronautics and Space Administration (NASA), NGC 2444 and NGC 2445 are both described as being engaged in a "cosmic tug-of-war" with NGC 2444 seemingly winning the battle..

In conclusion, NGC 2444 and NGC 2445 are both engaged in a "cosmic tug-of-war" because the immense gravity of NGC 2444 is pulling strands of gas from NGC 2445.

Read more on NASA here: https://brainly.com/question/1350178

What effect does wind and water have on mountains?

Answers

Answer:

Gale force winds, lightning strikes, temperature extremes and a deluge of snow, hail or rain. These combined forces break up the rocks and erode the peaks into their stark, sculpted forms. Falling ice, rocks and gushing water wear away at the mountain slopes.

A container of rocks is brought back from the Moon's surface where the acceleration due to gravity is 1.62 meters per second^2. If the total mass of the container of rocks is 65.0 kilograms, what is its weight on Earth's surface?

A) 65.0 N

B) 105 N

C) 394 N

D) 638 N

Answers

Force at moon:-

Use Newtons second law

[tex]\\ \rm\Rrightarrow F=ma=65(1.62)=105.3N[/tex]

Force at moon is one sixth of force at earth

Weight on earth;-

105.3(6)=631.8N

When did forensic science start to become influential in solving crimes?
Ο Α.
700s
OB.
1800s
OC.
1400s
OD 1900s
Reset
Next

Answers

1900s -- 1980s

Forensic science R&D in the 1980s

an object of 98 N weight is dropped from 10 m height and it hit ground with a speed of 12 m/s find air friction

Answers

vf²=vi²+2ad

12²=0+2.a.10

a = 7.2 m/s²

W = m.g

m = W/g = 98/9.8 = 10 kg

∑F=m.a

W-fr=m.a

fr(air friction)=W - m.a

fr = 98 - 10 x 7.2

fr = 98 - 72

fr = 26 N


The acceleration of free fall on a certain planet is 8.0 m s-2. An object gets dropped from a
height and hits the ground after 1.5 s. From what height must the object have been dropped?

Answers

Answer:

Height from which the object is dropped is 9m

We are given that:

The acceleration of free fall on a certain planet is 8m/s². An object is dropped from the height and hits the ground after 1.5s

We need to find:

Height from which the object was dropped.

Using equations of motion:

v² - u² = 2as

v = u + at

here,

u = initial velocity

v = final velocity

a = acceleration

s = displacement

t = time taken

Solution:

From the given information, we can conclude that:

initial velocity of the object is 0 m/s

acceleration due to gravity = 8 m/

time taken = 1.5 seconds

Now, using equation of motion:

v = u + at

v = 0 + ( 8 × 1.5 )

v = 0 + 12 .0

v = 12 m/s

final velocity of object = 12 m/s

For, acceleration :

v² - u² = 2as

( 12 )² - ( 0 )² = 2 × 8 × s

144 - 0 = 16s

16 s = 144

s = 144 / 16

s = 9m

Displacement = 9 m

[tex] \dag[/tex] Since, we take displacement in terms of distance in some places, therefore we can say that the height from which the object was dropped is 9 meters .

the element sodium has an atomic number of 11 and a mass number of 23.how many protons,neutrons ,and electrons does one atom contian

Answers

Answer:

answer is 12 because 23-11=12

Explanation:

it is because the question want find one atom contains how many

A 60 kg ice-skater, travelling initially at 3.0 m / s, glides across a horizontal icy surface. The skater brakes and comes to rest after 5.0 m.

The work done against the braking force is the change in the kinetic energy of the skater

Answers

Answer:

54 N

Explanation:

a= v/t

3÷5/3= 1.8 m/s^2

f=ma

1.8 x 60 = 108/2 = 54 N

The work done against the braking force is the change in the kinetic energy of the skater is 54 N.

What is work done?

Work is said to be done whenever a force moves an object over a distance.

[tex]W = F = ma[/tex]

where

Acceleration is given by

[tex]a = v/t[/tex]

[tex]a = \frac{3}{5/3}[/tex]

[tex]a = 1.8 m/s^2[/tex]

Work is

[tex]W = ma[/tex]

[tex]W = 60*1.8 m/s^2[/tex]

[tex]W = 54 N[/tex]

To learn more about Work here

https://brainly.com/question/18094932

#SPJ2

A dog walks 14 meters to the east and then 20 meters back to the west

Answers

She walks the dog 14 meters east and 20 meters back to the west

Answer:

14 meters to the east and then 20 meters back to the west

Is kicking a ball or throwing a ball considered applied force? Explain.

Answers

Answer:

Kicking a ball involves you applying a force because you are pushing it with your foot and that makes it fly up. Once you shoot something into the air, the gravity force pulls it back down to the Earth, which is a different type of force.

Explanation:

hope this helps :)

difference between the. density of a rock and diamond

Answers

Answer:

A rock is made from two or more minerals. A mineral might contain just one chemical element or more than one element. ...

The diamond is the Earth's hardest mineral. A diamond is so hard that it's possible to cut a diamond with another diamond

How many hours would it take for light to reach mercury

Answers

Answer:  it will take it about 2 1/2 minutes to reach Mercury. Not hours.

hope this helps!

can someone pls help me create a lab trying to prove steam is hotter than boiling water.

Answers

Answer:

More energy

Explanation:

Steam is hotter than boiling water because it contains more energy

Please help with this!

Answers

Answer:

The balloons have the same charge,

If they had opposite charges they would cling to one another.

1

A large stone block is to be part of a harbour wall. The block is supported beneath the surface of

the sea by a cable from a crane. Fig. 2. 1 shows the block with its top face a distance h beneath the

surface of the sea

cable

peech

surface of sea

nt

block

ЭХ

18

ton

Fig. 2. 1

ng

The force acting downwards on the top face of the block, due to the atmosphere and the depth h

of water, is 3. 5 X 10^N.

es

(a) The top face of the block has an area of 0. 25 m2

er

(1) Calculate the pressure on the top face of the block,

Media

nature

<<

Orere

121

Answers

The pressure on the top face of the block is 14,000 N/m².

What is pressure?

The pressure experienced by an object is force per unit area of the surface. The pressure experienced  by the object increases with increase in the applied force and decrease in surface area.

The pressure on the top face of the block is calculated as follows;

P = F/A

where;

F is applied forceA is top face area

P = (3.5 x 10³)/(0.25)

P = 14,000 N/m²

Thus, the pressure on the top face of the block is 14,000 N/m².

Learn more about pressure here: https://brainly.com/question/25736513

what is the answer of 1+8

Answers

Answer:

9

Explanation:

Say you had 1 apple, if someone gives you another 8 apples you would have 9 apples total.

Answer:

9

Explanation:

9 is 1 higher than 8, so 8+1 equals 9

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